auto i cpp
#include <iostream>
#include <vector>
int main() {
// Declare a vector of integers
std::vector<int> numbers = {1, 2, 3, 4, 5};
// Use auto to automatically deduce the type of iterator
for (auto it = numbers.begin(); it != numbers.end(); ++it) {
// Dereference the iterator to get the value
int value = *it;
// Print the value
std::cout << value << " ";
}
// Output a newline
std::cout << std::endl;
return 0;
}